lect1- introduction

lect1- introduction - CSE140: Components and Design...

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1 1 CSE140: Components and Design Techniques for Digital Systems Introduction Tajana Simunic Rosing 2 Welcome to CSE 140! Course time: T/Th 11-12:20pm, CENTR 113 Discussion session: F 12-12:50pm, CENTR 109 Instructor: Tajana Simunic Rosing • Email: tajana@ucsd.edu ; please put CSE140 in the subject line • Ph. 858 534-4868 • Office Hours: Tu/Th 9:30-10:30am, CSE 2118 Instructor’s Assistant: Sheila Manalo – Email: shmanalo@ucsd.edu – Phone: (858) 534-8873 TA: Sashikanth Madduri – Email: smadduri@ucsd.edu – Phone: (858) 204-2652 – Office hours: M 10-11am, CSE B225 TA: Shervin Sharifi – Email: shervin@ucsd.edu Office hours: W 12 1pm CSE B225
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2 3 Course Description • Prerequisites: – CSE 20 or Math 15A, and CSE 30. – CSE 140L must be taken concurrently • Objective: – Introduce digital components and system design concepts • Grading – Homeworks (~8): 15% • Lowest grade on the HW will be dropped • HW picked up at beginning of the class, 0 pts if late – Two midterms: 25% each • Approx. 10/17 and 11/7 • No makeup exams; exceptions only for – Documented illness (signed doctor’s statement), death in the family – Final exam: 35% • 12/5 – Regrade requests: turn in a written request at the end of the class where your work (HW or exam) is returned 4 Textbook and Recommended Readings Required textbook: – Contemporary Logic Design by R. Katz & G. Borriello Recommended textbook: – Digital Design by F. Vahid Lecture slides are derived from the slides designed for both books
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3 5 Why Study Digital Design? • Look “under the hood” of computers – Become a better programmer when aware of hardware resource issues • Everyday devices becoming digital – Enables: • Better devices: Better sound recorders, cameras, cars, cell phones, medical devices,. .. • New devices: Video games, PDAs, . .. – Known as “embedded systems” • Thousands of new devices every year • Designers needed: Potential career 1995 Portable music players 1997 Satellites 1999 Cell phones 2001 DVD players Video recorders Musical instruments 2003 Cameras TVs ??? 2005 2007 Years shown above indicate when digital version began to dominate –( Not the first year that a digital version appeared) 6 Implementing Digital Systems: Programming Microprocessors Vs. Designing Digital Circuits I3 I4 I5 I6 I7 I2 I1 I0 P3 P4 P5 P6 P7 P2 P1 P0 Desired motion-at-night detector Programmed microprocessor Custom designed digital circuit
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4 7 Digital Design: When Microprocessors Aren’t Good Enough With microprocessors so easy, cheap, and available, why design a digital circuit? – Microprocessor may be too slow – Or too big, power hungry, or costly (a) Micro- processor (Read, Compress, and Store) Memory Image Sensor (b) (c) Sample digital camera task execution times (in seconds) on a microprocessor versus a digital circuit: Read circuit Compress circuit Memory Store circuit Image Sensor Compress circuit Microprocessor (Store) Memory Image Sensor Read circuit 0.8 1 Store 0.5 8 Compress 0.1 5 Read Custom Digital Circuit Microprocessor Task 8 What will we learn in this class?
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lect1- introduction - CSE140: Components and Design...

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